Division,Utilization and the Improvement of Main Germplasm Heterosis of Maize in China

doi:10.3321/j.issn:1000-7091.1998.01.015

Abstract

Abstract: According to the combining ability,heterosis,pedigree relations and morphological,physiological and genetic characteristics,as well as the practice of breeding,the maize germplasm of China were divided into five heterosis groups and nine sub groups,i.e.improved Reid,Lancaster (Mo17 and Zi 330 sub groups),Sipingtou,Ludahonggu and others (subgroups such as:germplasms from foreign hybrids;selected germplasms,Suwan germplasm and other low latitude germplasm).The limited availability of germplasm,the division and utilization of heterosis groups,and the improvement of germplasm were discussed.

Key words: Maize, Germplasm, Heterosis groups, Improvement and utilization

CLC Number:

S513

Wang Yibo, Wang Zhenhua, Wang Yongpu, Zhang Xin, Lu Lixing. Division,Utilization and the Improvement of Main Germplasm Heterosis of Maize in China[J]. ACTA AGRICULTURAE BOREALI-SINICA, 1998, 13(1): 74-80. doi: 10.3321/j.issn:1000-7091.1998.01.015.

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